$d=1150\texttt{kg/m}^3$

$h=100\texttt{m}$

$$Pressione=dgh$$

$$Pressione=(1150\texttt{ kg/m}^3)(9,81\texttt{ m/s}^2)(100\texttt{ m})$$

$$\boxed{Pressione=1137,95\texttt{ Pa}}$$